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Model construction of urban agglomeration expansion simulation considering urban flow and hierarchical characteristics

引用

Journal of Geographical Sciences 2022年第3期32卷 499-516页

作者： WANG Haijun WU Yue DENG Yu XU Shan School of Resource and Environmental Science Wuhan UniversityWuhan 430079China Key Laboratory of Geographic Information Systems Ministry of EducationWuhan UniversityWuhan 430079China Institute of Geographic Sciences and Natural Resources Research CASBeijing 100101China College of Land Science and Technology China Agricultural UniversityBeijing 100193China

Since the launch of China’s reform and opening up policy,the process of urbanization in China has accelerated *** the development of cities,inter-city interactions have become increasingly close,forming urban agglomerations that tend to be *** agglomerations are regional spaces with network relationships and hierarchies,and have always been the main units for China to promote urbanization and regional coordinated *** this paper,we comprehensively consider the network and hierarchical characteristics of an urban agglomeration,while using urban flow to describe the interactions of the inter-city networks and the hierarchical generalized linear model(HGLM)to reveal the hierarchical driving mechanism of the urban *** coupling the HGLM with a cellular automata(CA)model,we introduced the HGLM-CA model for the simulation of the spatial expansion of an urban agglomeration,and compared the simulation results with those of the logistic-CA model and the biogeography-based optimization CA(BBO-CA)*** to the results,we further analyzed the advantages and disadvantages of the proposed HGLM-CA *** selected the middle reaches of the Yangtze River in China as the research area to conduct this empirical research,and simulated the spatial expansion of the urban agglomeration in 2017 on the basis of urban land-use data from 2007 and *** results indicate that the spatial expansion of the urban agglomeration can be attributed to various driving *** a driving factor at the urban level,urban flow promotes the evolution of land use in the urban agglomeration,and also plays an important role in regulating cell-level factors,making the cell-level factors of different cities show different driving *** HGLM-CA model is able to obtain a higher simulation accuracy than the logistic-CA model,which indicates that the simulation results for urban agglomeration expansion considering urban flow and hierarchical cha

关键词： urban flow hierarchical characteristics cellular automata driving mechanism spatial expansion urban agglomeration middle reaches of the Yangtze River

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